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Application filed by Carl ProettfiledCriticalCarl Proett
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Publication of AT34302BpublicationCriticalpatent/AT34302B/de
AT34302D1905-07-081908-01-10Verfahren und Vorrichtung zur Erhaltung der Bewegung der Wassersäulen beim Hubwechsel hydraulisch betriebener Pumpen.
AT34302B
(de)